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Inventory

9 Months Ended

Sep. 30, 2020

6. Inventory

Our inventory balance consists of the following (in thousands):


		September 30,			December 31,
		2020			2019
Raw materials		$	1,275		$	1,275
Work-in-process			9,745			8,634
Finished goods			14,689			6,596
			25,709			16,505
Inventories-current			17,012			11,400
Inventories-noncurrent		$	8,697		$	5,105

Inventories, stated at the lower of cost and net realizable value, consist of raw materials, work in process and finished goods. At September 30, 2020, $17.0 million of inventory was classified as current on the condensed consolidated balance sheet as we expect this inventory to be consumed for commercial use within the next twelve months. At September 30, 2020, $8.7 million of inventory was classified as noncurrent on the condensed consolidated balance sheets as we did not expect this inventory to be consumed for commercial use within the next twelve months. We obtain some inventory components from a limited number of suppliers due to technology, availability, price, quality or other considerations. The loss of a supplier, the deterioration of our relationship with a supplier, or any unilateral violation of the contractual terms under which we are supplied components by a supplier could adversely affect our total revenues and gross margins.